Search a number
-
+
245435441 is a prime number
BaseRepresentation
bin11101010000100…
…00110000110001
3122002211102010112
432220100300301
51000312413231
640204311105
76040111136
oct1650206061
9562742115
10245435441
111165a6309
126a242495
133bb04b94
142484c58d
151683192b
hexea10c31

245435441 has 2 divisors, whose sum is σ = 245435442. Its totient is φ = 245435440.

The previous prime is 245435419. The next prime is 245435447. The reversal of 245435441 is 144534542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128709025 + 116726416 = 11345^2 + 10804^2 .

It is a cyclic number.

It is not a de Polignac number, because 245435441 - 210 = 245434417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245435398 and 245435407.

It is not a weakly prime, because it can be changed into another prime (245435447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122717720 + 122717721.

It is an arithmetic number, because the mean of its divisors is an integer number (122717721).

Almost surely, 2245435441 is an apocalyptic number.

It is an amenable number.

245435441 is a deficient number, since it is larger than the sum of its proper divisors (1).

245435441 is an equidigital number, since it uses as much as digits as its factorization.

245435441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 32.

The square root of 245435441 is about 15666.3793200599. The cubic root of 245435441 is about 626.1029620678.

Adding to 245435441 its reverse (144534542), we get a palindrome (389969983).

The spelling of 245435441 in words is "two hundred forty-five million, four hundred thirty-five thousand, four hundred forty-one".